out of the equal protects clause that depends on social science evidence. and i think if the social science evidence is indeterminant, which it is, then we shouldn't be discriminating against people on the basis of race. >> roger, could i -- >> stuart -- >> quick point on s.t.e.m. grads. our point on s.t.e.m. grads isn't that we need more of them, maybe we do. our point is that when students, black or hispanic students go to college wanting to be s.t.e.m. majors, they should not be misled to go to colleges where they have very little chance of becoming s.t.e.m. majors. >> okay. the gentleman up here in the blue shirt. >> greg squires from george washington university. and previous board member of the woodstock institute where mr. sander was at for a while. i have a simple question for roger clegg. you gave us some numbers on the percentage of people born out of wedlock of various groups. what do you think accounts for those patterns? >> well, that's a very interesting question. and i'll tell you one thing that i think momentum account for it -- i think doesn't account for it. i don'